Concepcion and Palma Escrita Formations, Western Puerto Rico: Issue 1394, Part 4

Quantum Mechanics: A Paradigms Approach

Symposium on the Geology and Mineral Deposits of the Challis 1−p0−sx2−p0−s Quadrangle, Idaho

Cretaceous and Lower Tertiary Stratigraphy in Northwestern Puerto Rico: Issue 1294

U.S. Geological Survey Bulletin

Gastineau Channel Formation: A Composite Glaciomarine Deposit Near Juneau, Alaska, Issue 1394